The Energy Supplements 750 mg/0.8% Anthocyanins Guaranteed Maximum Potency Extended Release Standardized Botanical Supplement Prescription Quality Gluten Free Vegetarian Hypo-Allergenic HerbaShield Nutritional support for free radical defense. Each Herbal Actives extended-release formula provides rapid and sustained results. Supplying the greatest concentration of active botanical principles, Herbal Actives Black Cherry maximizes the synergistic benefits of the whole berry, which naturally contains anthocyanins, cyanidins and ursolic acid. Guaranteed Maximum Potency: Each Herbal Actives formula is scientifically standardized to the highest level of active principles. HerbaShield: An exclusive purity and safety system providing light-resistant bottle, airtight inner seal, moisture-absorbing packet, tamper-evident safety cap and tamper-proof full bottle seal.